• L-Cysteine,S-(2-hydroxyethyl)-
• 6367-98-2
• C₅H₁₁NO₃S
• 165.2107
• .

• Lanosta-8,24-dien-26-al,7-hydroxy-3-oxo-, (7a,24E)-
• 114020-55-2
• C30H46 O3
• .

• L-Threonine,N-[N-[N2-(N-L-threonyl-L-threonyl)-L-asparaginyl]-L-tyrosyl]-, methyl ester(9CI)
• 123951-76-8
• C26H40 N6 O11
• 612.6294
• .

• L-Lyxonamide,2,4,5-trideoxy-4-[[3-methyl-1-oxo-2-[[(phenylmethoxy)carbonyl]amino]butyl]amino]-N-[2-methyl-1-[[(phenylmethyl)amino]carbonyl]propyl]-2-[(1-naphthalenylmethyl)amino]-5-phenyl-,[1(S),4(S)]- (9CI)
• 161510-41-4
• C47H55 N5 O6
• 785.9695
• .

• L-Glutamic acid,1,5-dimethyl ester
• 6525-53-7
• C7H13 N O4
• 229-414-1
• 175.18242
• .

• Lead, isotope of mass203
• 14687-25-3
• Pb
• 202.973375
• .

• L-Arginine,L-arginyl-L-prolyl-L-prolylglycyl-L-phenylalanyl-L-seryl-D-phenylalanyl-(4R)-4-hydroxy-L-prolyl-(9CI)
• 127634-27-9
• C50H73 N15 O12
• 0
• .

• Lead bromide hydroxide(PbBr(OH)) (9CI)
• 16651-91-5
• BrH O Pb
• 304.1113
• .

• L-Tryptophanamide,5-oxo-L-prolyl-L-leucyl-L-threonyl-L-phenylalanyl-L-threonyl-L-prolylglycyl-(9CI)
• 125666-75-3
• C46H62 N10 O11
• 931.0449
• .

• Leptinotarsin (9CI)
• 73468-57-2
• 0
• .

• L-Alanine,N-[3-(4-azido-3-iodophenyl)-1-oxopropyl]-3-(2-pyridinyldithio)- (9CI)
• 117820-47-0
• C17H16 I N5 O3 S2
• 0
• .

• L-Lysine,N-acetyl-L-seryl-L-a-aspartyl- (9CI)
• 127103-04-2
• C15H26 N4 O8
• 0
• .

• L-Lyxofuranoside,methyl 5-deoxy-2-O-[2-deoxy-2-(methylamino)-a-L-glucopyranosyl]-3-C-(hydroxymethyl)-
• 27867-73-8
• C14H27 N O9
• 353.3655
• .

• L-Serine,N-(1-oxohexadecyl)-
• 16417-38-2
• C₁₉H₃₇NO₄
• 240-466-4
• 343.50
• .

• L-Leucinamide,L-valyl-L-a-aspartyl-L-tryptophyl-L-lysyl-L-lysyl-L-isoleucylglycyl-L-glutaminyl-L-histidyl-L-isoleucyl-L-leucyl-L-seryl-L-valyl-
• 74129-19-4
• C77H127 N21 O18
• 1634.96
• .

• L-Alanine, L-α-glutamyl-
• 21064-18-6
• C₈H₁₄N₂O₅
• 218.2072
• .

• Lactacin F (9CI)
• 107950-55-0
• 0
• .

• L-Argininamide,glycyl-L-tryptophyl-L-leucyl-L-lysyl-L-lysyl-L-isoleucylglycyl-L-lysyl-L-lysyl-L-isoleucyl-L-a-glutamyl-L-arginyl-L-valylglycyl-L-glutaminyl-L-histidyl-L-threonyl-L-arginyl-L-a-aspartyl-L-alanyl-L-threonyl-L-isoleucyl-L-glutaminylglycyl-L-leucylglycyl-L-isoleucyl-L-alanyl-L-glutaminyl-L-glutaminyl-L-alanyl-L-alanyl-L-asparaginyl-L-valyl-L-alanyl-L-alanyl-L-threonyl-L-alanyl-
• 97930-50-2
• C181H309 N61 O51
• 0
• .

• L-Alanine,L-alanyl-L-valylglycyl-L-isoleucylglycyl- (9CI)
• 129426-47-7
• C21H38 N6 O7
• 486.5624
• .

• L-Leucine,N-[[5-[[(2R)-2-amino-3-mercaptopropyl]amino][1,1'-biphenyl]-2-yl]carbonyl]-,methyl ester
• 171744-11-9
• C23H31 N3 O3 S
• .

• L-arabino-Hex-5-enitol,2,6-anhydro-1,5-dideoxy-3-O-(phenylmethyl)-
• 137035-65-5
• C13H16 O3
• 220.27
• .

• L-Proline,1-[3,5-bis(acetylethylamino)-2,4,6-triiodobenzoyl]-
• 30743-27-2
• C20H24 I3 N3 O5
• 767.1351
• .

• Lutetium, isotope ofmass 174
• 14914-12-6
• Lu
• 173.9403
• .

• L-Threoninamide,L-isoleucyl-L-a-glutamyl-L-phenylalanyl-L-phenylalanyl-(9CI)
• 159565-68-1
• C33H46 N6 O8
• .

• L-Cysteine,S-(2,4-dinitrophenyl)-
• 23815-63-6
• C9H9 N3 O6 S
• 287.2493
• .

• L-Histidine,N-[(1,1-dimethylethoxy)carbonyl]-1-(phenylmethyl)-
• 81018-79-3
• C18H23 N3 O4
• 0
• .

• L-Valinamide,N4-[3-methyl-N-[(phenylmethoxy)carbonyl]-L-valyl]-4-amino-2,4,5-trideoxy-2-[[(4-methoxyphenyl)methyl]amino]-5-phenyl-L-lyxonoyl-N-[(2-hydroxy-4-methoxyphenyl)methyl]-
• 164514-54-9
• C46H59 N5 O9
• 825.9888
• .

• L-Valine, N-(3-chloro-1,4-dihydro-1,4-dioxo-2-naphthalenyl)-, compd. with morpholine (1:1)
• 180179-66-2
• C₁₉H₂₃ClN₂O₅
• 0
• .

• Lithium,[29H,31H-phthalocyaninato(2-)-kN29,kN30,kN31,kN32]-, (SP-4-1)-
• 111716-29-1
• C32H16 Li N8
• 0
• .

• L-Alaninamide,N-(4-carboxy-1-oxobutyl)-L-alanyl-L-alanyl-N-ethyl- (9CI)
• 83808-35-9
• C16H28 N4 O6
• 0
• .

• Laprol 44 (9CI)
• 101858-07-5
• .

• L-Arginine mono(3-(1H-imidazol-4-yl)acrylate)
• 75532-27-3
• C12H20N6O4
• 278-246-5
• 312.325
• .

• L-Valine,N-[2-(1H-indol-3-yl)acetyl]-
• 57105-42-7
• C15H18 N2 O3
• 274.31
• .

• L-Ascorbic acid,2-(hydrogen sulfate)
• 37627-95-5
• C6H8 O9 S
• 256.18732
• .

• L-Prolinamide,N-[[1-(carboxymethyl)hexahydro-2,6-dioxo-4-pyrimidinyl]carbonyl]-L-histidyl-,(S)- (9CI)
• 128056-14-4
• C18H23 N7 O7
• 449.4179
• .

• L-Prolinamide,5-oxo-L-prolyl-2-(trifluoromethyl)-L-histidyl- (9CI)
• 92484-23-6
• C17H21 F3 N6 O4
• 0
• .

• L-Arginine, methylester, hydrochloride (1:1)
• 18598-71-5
• C7H16 N4 O2 . Cl H
• 242-436-6
• 224.68848
• .

• L-Valinamide,N2-acetyl-L-lysyl-L-prolyl-
• 57899-96-4
• C18H33 N5 O4
• 383.49
• .

• L-Lysinamide,N-(2-phenylacetyl)-L-tyrosyl-D-arginyl-L-a-aspartyl-L-alanyl-L-isoleucyl-4-chloro-L-phenylalanyl-L-threonyl-L-asparaginyl-N6-(aminoiminomethyl)-L-lysyl-O-methyl-L-tyrosyl-L-arginyl-L-lysyl-L-valyl-L-leucyl-(2S)-2-aminobutanoyl-L-glutaminyl-L-leucyl-L-seryl-L-alanyl-L-arginyl-L-lysyl-L-leucyl-L-leucyl-L-glutaminyl-L-a-aspartyl-L-isoleucyl-L-norleucyl-D-arginyl-N6-(aminoiminomethyl)-
• 221377-79-3
• C172H284 Cl N53 O41
• 0
• .

• L-Alanine,L-tryptophyl-L-a-glutamyl-L-alanyl-L-alanyl-L-leucyl-L-alanyl-L-a-glutamyl-L-alanyl-L-leucyl-L-alanyl-L-a-glutamyl-L-alanyl-L-leucyl-L-alanyl-L-a-glutamyl-L-histidyl-L-leucyl-L-alanyl-L-a-glutamyl-L-alanyl-L-leucyl-L-alanyl-L-a-glutamyl-L-alanyl-L-leucyl-L-a-glutamyl-L-alanyl-L-leucyl-L-alanyl-
• 107658-43-5
• C136H215 N33 O45
• 0
• .

• L-Isoleucine, ethylester, hydrochloride (1:1)
• 56782-52-6
• C8H17 N O2 . Cl H
• 260-382-1
• 195.68702
• .

• L-Aspartic acid,1,4-bis(1,1-dimethylethyl) ester, hydrochloride (1:1)
• 1791-13-5
• C₁₂H₂₄ClNO₄
• 274-664-7
• 281.78
• .

• L-Gulonic acid
• 526-97-6
• C₆H₁₂O₇
• 0
• .

• L-Proline,(4S)-hexahydro-1-methyl-2,6-dioxo-4-pyrimidinecarbonyl-L-histidyl- (9CI)
• 103300-77-2
• C17H22 N6 O6
• 406.3932
• .

• L-Leucine,L-valyl-L-asparaginyl-L-threonyl-L-isoleucyl-L-isoleucyl-L-tyrosyl-L-asparaginyl-L-valylglycyl-L-seryl-L-threonyl-L-threonyl-L-isoleucyl-L-seryl-L-asparaginyl-L-tyrosyl-L-alanyl-L-threonyl-L-phenylalanyl-L-methionyl-L-a-aspartyl-L-asparaginyl-L-leucyl-L-arginyl-L-asparaginyl-L-a-glutamyl-L-alanyl-L-lysyl-L-a-aspartyl-L-prolyl-L-seryl-
• 95787-44-3
• C155H245 N41 O53 S
• 0
• .

• L-Arginine,N2-[N-[N-[N2-[N2-(1-oxotetradecyl)-L-lysyl]-L-arginyl]-L-threonyl]-L-leucyl]-(9CI)
• 125678-68-4
• C42H82 N12 O8
• 883.1761
• .

• L-Prolinamide,N-[(hexahydro-2,6-dioxo-1-propyl-4-pyrimidinyl)carbonyl]-L-histidyl-, (S)-(9CI)
• 128056-03-1
• C19H27 N7 O5
• 433.4616
• .

• L-Alaninamide,N-(2-hydroxy-1-oxo-3-phenylpropyl)-L-phenylalanyl-L-lysyl-, (S)- (9CI)
• 137350-94-8
• C27H37 N5 O5
• 0
• .

• L-Isoleucine,N-[2-[(1R,2R)-3-oxo-2-(2Z)-2-penten-1-ylcyclopentyl]acetyl]-
• 120330-93-0
• C18H29 N O4
• 323.4272
• .

• L-Proline, 5-oxo-,potassium salt (1:1)
• 4810-50-8
• C5H7 N O3 . K
• 225-373-9
• 167.20434
• .